Mpltern is a Python plotting library based on Matplotlib specifically designed for ternary plots.

• Direct dependence on Matplotlib only
• Compatible with multiple Matplotlib versions with a high test coverage
• Many plotting styles with similar method names to those in Matplotlib
• Automatic positioning of tick markers, tick labels, and axis labels consistent with Matplotlib
• tight_layout and constrained_layout
• Easy combination with normal Matplotlib plots
• Easy application of style sheets
• Interactive in, e.g., Jupyter notebooks

See the install documentation.

See the basic usage documentation.

See more examples in the gallery.

Please cite mpltern via the DOI if mpltern contributes to a scientific publication.

Matplotlib should also be acknowledged when using mpltern.

Yuji Ikeda (University of Stuttgart, Germany)

• GitHub
• Google Scholar
• ResearchGate